Use the figure to the right, which shows the percentages of adults from several countries who favor building new nuclear power plants in their country. The survey included random samples of 1128 adults from Country A, 1026 adults from Country B, 1008 adults from Country C, and 1061 adults from Country D. At a=0.01, can you reject the claim that the proportion of adults in Country C who favor building new nuclear power plants in their country is greater than the proportion of adults from Country D who favor building new nuclear 80- power plants in their country? Assume the random samples are independent. 100- 60- 40 20 0- Country A 50% ICountry B 46% O Country C 45% O Country D 39% Choose the correct answer below. O C. Họ: P, P2 H, P, = P2 O A. Ho: P1 2P2 H: P, P2 H,: P, SP2 OF Ho: P1 = P2 H P, *P2 H P, > P2 Find the standardized test statistic. z= 2.76 (Round to two decimal places as needed.) Use technology to calculate the P-value. P-value = 0.0028 (Round to four decimal places as needed.) Decide whether to reject or fail to reject the null hypothesis. Choose the correct answer below. O Fail to reject H, because the P-value is greater than the significance level a. Fail to reject H, because the P-value is less than the significance level a. Reject H, because the P-value less than the significance level a. Reject H, because the P-value is greater than the significance level a.
Use the figure to the right, which shows the percentages of adults from several countries who favor building new nuclear power plants in their country. The survey included random samples of 1128 adults from Country A, 1026 adults from Country B, 1008 adults from Country C, and 1061 adults from Country D. At a=0.01, can you reject the claim that the proportion of adults in Country C who favor building new nuclear power plants in their country is greater than the proportion of adults from Country D who favor building new nuclear 80- power plants in their country? Assume the random samples are independent. 100- 60- 40 20 0- Country A 50% ICountry B 46% O Country C 45% O Country D 39% Choose the correct answer below. O C. Họ: P, P2 H, P, = P2 O A. Ho: P1 2P2 H: P, P2 H,: P, SP2 OF Ho: P1 = P2 H P, *P2 H P, > P2 Find the standardized test statistic. z= 2.76 (Round to two decimal places as needed.) Use technology to calculate the P-value. P-value = 0.0028 (Round to four decimal places as needed.) Decide whether to reject or fail to reject the null hypothesis. Choose the correct answer below. O Fail to reject H, because the P-value is greater than the significance level a. Fail to reject H, because the P-value is less than the significance level a. Reject H, because the P-value less than the significance level a. Reject H, because the P-value is greater than the significance level a.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
Related questions
Question
100%
Decide whether to reject or fail to reject the null hypothesis. Choose the correct answer below.
Transcribed Image Text:Use the figure to the right, which shows the percentages of adults from several countries who favor building new nuclear power plants in their country. The survey included random
samples of 1128 adults from Country A, 1026 adults from Country B, 1008 adults from Country C, and 1061 adults from Country D. At a=0.01, can you reject the claim that the
proportion of adults in Country C who favor building new nuclear power plants in their country is greater than the proportion of adults from Country D who favor building new nuclear 80-
power plants in their country? Assume the random samples are independent.
100-
60
40
20
0-
Country A 50%
I Country B 46%
O Country C 45%
O Country D 39%
Choose the correct answer below.
OC. Họ: P1 P2
H P, = P2
O A. Ho: P1 2 P2
H: P, <P2
O'B. Ho: P1 < P2
H P, 2P2
VE. Ho: P1 SP2
O D. Ho: P1 > P2
H: P, SP2
OF. Ho: P1 = P2
H P, *P2
H: P, > P2
Find the standardized test statistic.
z= 2.76 (Round to two decimal places as needed.)
Use technology to calculate the P-value.
P-value = 0.0028 (Round to four decimal places as needed.)
Decide whether to reject or fail to reject the null hypothesis. Choose the correct answer below.
O Fail to reject H, because the P-value is greater than the significance level a.
Fail to reject H, because the P-value is less than the significance level a.
Reject H, because the P-value
less than the significance level a.
Reject H, because the P-value is greater than the significance level a.
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